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JMIV
2002
126views more  JMIV 2002»
13 years 7 months ago
Tree-Structured Haar Transforms
In our recent work, a class of parametric transforms, including family of Haar-like transforms, was introduced and studied in application to image compression. Parametric Haar-lik...
Karen O. Egiazarian, Jaakko Astola
ICC
2007
IEEE
14 years 2 months ago
A Cube Oriented Ray Launching Algorithm for 3D Urban Field Strength Prediction
Abstract— Fast radio wave propagation prediction is of tremendous interest for planning and optimization of cellular radio networks. We propose a cube oriented 3D ray launching a...
Rudolf Mathar, Michael Reyer, Michael Schmeink
ICMCS
2006
IEEE
142views Multimedia» more  ICMCS 2006»
14 years 2 months ago
FEMA: A Fast Expectation Maximization Algorithm based on Grid and PCA
EM algorithm is an important unsupervised clustering algorithm, but the algorithm has several limitations. In this paper, we propose a fast EM algorithm (FEMA) to address the limi...
Zhiwen Yu, Hau-San Wong
ICMCS
2006
IEEE
135views Multimedia» more  ICMCS 2006»
14 years 2 months ago
Degree Pre-Reserved Hierarchical Tree for Multimedia Multicast
Overlay multicast tree is widely used to support large-scale real-time multimedia applications. The scalability and the robustness are two key issues in the overlay structure desi...
Nan Zhang, Yuanchun Shi, Bin Chang
ECML
2007
Springer
13 years 12 months ago
Seeing the Forest Through the Trees: Learning a Comprehensible Model from an Ensemble
Abstract. Ensemble methods are popular learning methods that usually increase the predictive accuracy of a classifier though at the cost of interpretability and insight in the deci...
Anneleen Van Assche, Hendrik Blockeel